Description
The Grizzly 10mm 200gr Bonebreaker FP load, item GC10CM2, is a 20 round box of 10mm Auto ammunition from Grizzly Cartridge Company, loaded with a 200 grain Bonebreaker flat point bullet rated at 1100 fps with 537 ft-lbs of muzzle energy. Grizzly recommends it for protection against aggressive bears and other dangerous animals.

Grizzly 10mm 200gr Bonebreaker FP Overview
The 10mm Auto has become one of the most popular handgun cartridges for hikers, hunters and anglers who travel in bear country, because it combines semi-auto capacity with real power. This Grizzly load pairs a heavy 200 grain hard flat point with a moderate 1100 fps rating, a combination aimed at straight-line penetration rather than speed. Heavy, non-expanding bullets like this are favored for protection against bears, moose and other large animals, where the bullet has to reach the vitals through thick muscle and bone.
Bullet Design
Bonebreaker is Grizzly Cartridge’s name for its hard, non-expanding flat point bullet. A wide, flat meplat crushes and cuts tissue instead of simply pushing it aside, and because the bullet does not expand, it keeps driving in a straight line for deep penetration through muscle and bone. That is why loads like this are a common choice for protection against bears and other large animals, where reaching the vitals matters more than expansion.

Intended Use
Grizzly designed this load for protection against aggressive bears and other dangerous animals. It is not a target load and not intended as a typical self-defense hollow point for urban use, where over-penetration is a concern. Many owners carry it in a chest or belt holster while hiking, fishing or hunting, and it is also suited to taking hogs and similar game at close range where deep penetration matters.
Firearm Compatibility
This ammunition is made for handguns chambered in 10mm Auto, such as the Glock 20, 29 and 40, the SIG P320 XTEN, Springfield XD-M Elite 10mm, Smith and Wesson M&P 2.0 10mm and 1911-pattern pistols in 10mm, plus revolvers and carbines built for the cartridge. Never fire it in a 40 S&W firearm; the 10mm case is longer and runs at higher pressure.

Grizzly Cartridge Company
Grizzly Cartridge Company is an American ammunition maker known for heavy, hard-hitting loads for hunters, outdoorsmen and handgunners who carry in bear country, along with cowboy action, defense and safari ammunition. Its loads are made in the USA, and many are built to run at the upper end of what each cartridge allows, so always match the load to your firearm.
Recoil and Shootability
The 10mm Auto is a powerful semi-auto cartridge, and full-power loads like this produce stout recoil and a sharp report. A full-size, steel or heavier polymer pistol, a firm high grip and regular practice help keep follow-up shots on target.
Practice and Testing
Fire at least a box through your own firearm before you rely on this load for hunting or protection. Confirm reliable feeding and extraction, and check where it prints at the distances you expect to shoot, since heavy or fast loads often hit to a different point than light practice ammunition.
Storage and Care
Store ammunition in a cool, dry place in its original box, away from solvents and lubricants that can contaminate primers. Inspect rounds for dents, loose bullets or corrosion before loading.
Specifications
- Brand: Grizzly Cartridge Company
- Item number: GC10CM2
- Caliber: 10mm Auto
- Bullet weight: 200 grain
- Bullet type: Bonebreaker flat point
- Rated velocity: 1100 fps
- Muzzle energy: 537 ft-lbs
- Recommended for: Protection against aggressive bears and other dangerous animals
- Count: 20 rounds per box
- UPC: 815152013965
- Made in the USA
Before You Buy
Federal law requires buyers of handgun ammunition to be at least 21 years old when buying from a licensed dealer. Some states and cities restrict ammunition purchases, require background checks or limit shipping, so check your local rules before you order.
Who It Is For
The Grizzly 10mm 200gr Bonebreaker FP is a great fit for hikers, hunters and anglers who carry a 10mm pistol in bear country, outdoorsmen who want a heavy non-expanding backup load, and anyone looking for a deep-penetrating 10mm round for large animals.
Buy the Grizzly 10mm 200gr Bonebreaker FP at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Grizzly 10mm 200gr Bonebreaker FP online and we will ship it to you where state and local law allow, or browse our full selection of ammunition for more handgun loads. For factory details, visit Grizzly Cartridge.







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